specification: Item Type: Derma Machine_x000D_Gear: 6 gears_x000D_Voltage: 100-240V_x000D_Battery type: Lithium battery_x000D_Battery capacity: 2000mAh (Shipped with built in battery)_x000D__x000D_How to Use: _x000D_1. Charging:_x000D_Connect the device to the charging cable and adapter, insert the adapter into the socket, and the battery indicator (1-9) and indicator lights on the device's digital display will flash at the same time._x000D_After the battery is fully charged, the digital display will display F, and the indicator light will always be on._x000D_Devices can be charged while working._x000D_In the power off state, press the button once, the screen will display the power for 1 second._x000D_2. Power on:_x000D_Press and hold the power button for 2 seconds, the digital display will display the power. After 2 seconds, the digital display shows the gear position. Display the number "1"._x000D_3. Shutdown:_x000D_Press and hold the power button for 2 seconds._x000D_4. Speed ??adjustment gear:_x000D_In the power on state, press the power button, the number displayed on the digital display changes from gear 1 to gear 2. Press the power button again. The numbers change from 2nd gear to 3rd gear and so on, up to 6th gear. (6 gears, from the lowest speed to the highest speed)_x000D_5. Battery exhaustion reminder:_x000D_In the state of running out of power, the digital display will display the number "0" and indicator light that flash at the same time._x000D__x000D_Adjust the length of the consumables: You can adjust the length of the needle by turning the scale ring clockwise or counterclockwise. Rotate counterclockwise, and the length of the needle will gradually become longer, and if it is rotated clockwise, the length of the needle will gradually become shorter._x000D__x000D_How to use consumables:_x000D_1. Remove consumables in sterile packaging for sterilization._x000D_2. Insert the consumables into the installation part of the equipment consumables._x000D_3. Rotate the consumable clockwise horizontally until it clicks into place._x000D_4. Adjust the scale adjuster to select the required length of use._x000D_5. To take out the consumables, turn the consumables horizontally counterclockwise until they are taken out. Features: 1Adjustable Non Slip Dial: The micro needle pen has a non slip rotating dial, which is very convenient and comfortable to use and can be used on different parts of the face and body. 26 Different Gears: The Micro pen is equipped with 6 different speed levels, suitable for different skin types and different skin areas, you can choose according to your needs. 3Suitable for Home Use: The Micro Needle Pen is a cordless handheld home skin care device that promotes blood circulation and makes skin smooth and delicate. 4Lightweight: The rechargeable derma machine is compact and lightweight, safe, painless, and injury free, making it ideal for travel without taking up space. 5Perfect Gift: Derma machine is a great holiday gift for mom, wife, friends during Christmas, Valentine's Day and different holidays, they will love it. PackageList: 1 x Host 1 x Consumable 1 x USB Cable 1 x Plug 1 x Manual